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ansi-colors-es6

v5.0.0

Published

ES6+ module to easily add ANSI colors to your browser console and node terminal. A faster drop-in replacement for chalk, kleur and turbocolor (without the dependencies and rendering bugs).

Downloads

482

Readme

ansi-colors-es6 NPM version NPM monthly downloads NPM total downloads

Easily add ANSI colors to your node terminal or browser console. A faster drop-in replacement for chalk, colors, kleur and turbocolor (without the dependencies and rendering bugs). And a lighter ES6 implementation of ansi-colors that works everywhere ES6+ works without the need for transpiling, unless you want to.

Install

Install with npm:

$ npm install --save ansi-colors-es6

image

node terminal color examples

Why use this?

ansi-colors-es6 is the fastest Node.js library for terminal and browser console styling. A more performant drop-in replacement for chalk, colors and ansi-colors with no dependencies.

Chrome

chrome terminal color examples

Edge

edge terminal color examples

Usage

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

console.log(ansi.red('This is a red string!'));
console.log(ansi.green('This is a red string!'));
console.log(ansi.cyan('This is a cyan string!'));
console.log(ansi.yellow('This is a yellow string!'));

image

Chained colors

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

console.log(ansi.bold.red('this is a bold red message'));
console.log(ansi.bold.yellow.italic('this is a bold yellow italicized message'));
console.log(ansi.green.bold.underline('this is a bold green underlined message'));

image

Nested colors

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

console.log(ansi.yellow(`foo ${ansi.red.bold('red')} bar ${ansi.cyan('cyan')} baz`));

image

Toggle color support

Easily enable/disable colors.

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

// disable colors manually
ansi.enabled = false;

// or use a library to automatically detect support
ansi.enabled = require('color-support').hasBasic;

console.log(ansi.red('I will only be colored red if the terminal supports colors'));

Strip ANSI codes

Use the .unstyle method to strip ANSI codes from a string.

console.log(ansi.unstyle(ansi.blue.bold('foo bar baz')));
//=> 'foo bar baz'

Available styles

Note that bright and bright-background colors are not always supported.

| Colors | Background Colors | Bright Colors | Bright Background Colors | | ------- | ----------------- | ------------- | ------------------------ | | black | bgBlack | blackBright | bgBlackBright | | red | bgRed | redBright | bgRedBright | | green | bgGreen | greenBright | bgGreenBright | | yellow | bgYellow | yellowBright | bgYellowBright | | blue | bgBlue | blueBright | bgBlueBright | | magenta | bgMagenta | magentaBright | bgMagentaBright | | cyan | bgCyan | cyanBright | bgCyanBright | | white | bgWhite | whiteBright | bgWhiteBright | | gray | | | | | grey | | | |

(gray is the U.S. spelling, grey is more commonly used in the Canada and U.K.)

Style modifiers

  • dim

  • bold

  • hidden

  • italic

  • underline

  • inverse

  • ~~strikethrough~~

  • reset

Aliases

Create custom aliases for styles.

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

ansi.alias('primary', ansi.yellow);
ansi.alias('secondary', ansi.bold);

console.log(ansi.primary.secondary('Foo'));

Themes

A theme is an object of custom aliases.

//use relative paths to allow code sharing with browsers
//this way the same exact files will work in all locations
import ansi from './node_modules/ansi-colors-es6/index.js';

ansi.theme({
  danger: ansi.red,
  dark: ansi.dim.gray,
  disabled: ansi.gray,
  em: ansi.italic,
  heading: ansi.bold.underline,
  info: ansi.cyan,
  muted: ansi.dim,
  primary: ansi.blue,
  strong: ansi.bold,
  success: ansi.green,
  underline: ansi.underline,
  warning: ansi.yellow
});

// Now, we can use our custom styles alongside the built-in styles!
console.log(ansi.danger.strong.em('Error!'));
console.log(ansi.warning('Heads up!'));
console.log(ansi.info('Did you know...'));
console.log(ansi.success.bold('It worked!'));

Contributors

| Commits | Contributor |
| --- | --- |
| 48 | jonschlinkert |
| 42 | doowb |
| 9 | RIAEvangelist | | 6 | lukeed | | 2 | Silic0nS0ldier |
| 1 | dwieeb |
| 1 | jorgebucaran |
| 1 | madhavarshney |
| 1 | chapterjason |